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Technical Data Sheet
PartsTable / COMPONENT / 6580-6536
6580-6536 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The BEARING,ROLLER,TAPERED is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, cup_width: 1.6875 INCHES NOMINAL IN, cone_width: 2.1693 INCHES NOMINAL IN, bore_diameter: 3.5000 INCHES NOMINAL IN, overall_width: 2.1250 INCHES NOMINAL IN, standout_width: 0.4375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-277-0479, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
6580-6536
NSN: 3110-00-277-0479
FSC: 3110
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cup_width1.6875 INCHES NOMINAL IN
cone_width2.1693 INCHES NOMINAL IN
bore_diameter3.5000 INCHES NOMINAL IN
overall_width2.1250 INCHES NOMINAL IN
standout_width0.4375 INCHES NOMINAL IN
style_designatorSTRAIGHT BORE, NORMAL ANGLE
cone_corner_radius0.1400 INCHES NOMINAL IN
backface_corner_radius0.0310 INCHES NOMINAL IN
overall_outside_diameter6.3750 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
standard_tolerance_designationAFBMA CLASS 2
NSN3110-00-277-0479
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 6580-6536 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONE CORNER RADIUS: 0.1400 INCHES NOMINAL IN
•
STANDOUT WIDTH: 0.4375 INCHES NOMINAL IN
•
RETAINER FABRICATION METHOD: PRESSED
•
STYLE DESIGNATOR: STRAIGHT BORE, NORMAL ANGLE
•
BACKFACE CORNER RADIUS: 0.0310 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
CONE WIDTH: 2.1693 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH2.1250 INCHES NOMINAL IN
CONE CORNER RADIUS0.1400 INCHES NOMINAL IN
STANDOUT WIDTH0.4375 INCHES NOMINAL IN
RETAINER FABRICATION METHODPRESSED
STYLE DESIGNATORSTRAIGHT BORE, NORMAL ANGLE
BACKFACE CORNER RADIUS0.0310 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
CONE WIDTH2.1693 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER6.3750 INCHES NOMINAL IN
CUP WIDTH1.6875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3337Interchangeable
interchangeable cross-reference
interchangeable
1A3337Interchangeable
interchangeable cross-reference
interchangeable
M1841AInterchangeable
interchangeable cross-reference
interchangeable
5228104Interchangeable
interchangeable cross-reference
interchangeable
33-414Interchangeable
interchangeable cross-reference
interchangeable
74703Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6580-6536?
6580-6536 is a BEARING,ROLLER,TAPERED.
What parts can replace 6580-6536?
There are 15 known substitutes for 6580-6536: 3337, 1A3337, M1841A and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6580-6536?
6580-6536 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-277-0479. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026